science by Dev anand MR.

the skin of crocodile is covered with.

• rubber

• scale

• ruller

what is the jelly like substance inside our body

• bone tissues

• blood cells

• bone marrow

which of these is not a part of the brain

• cerebrum

• spinal cord

• cerebellum

Iodine deficiency can cause.

• scurvy

• plauge

• goitre

without nervous system you cannot.

• see

• ear

• taste

• do any of these things

which sense organ helps you to tell the difference in size of objects.

• tounge

• ear

• nose

• eye

• brain